28379197

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 8945603

約数列:

[1, 7, 11, 29, 71, 77, 179, 203, 319, 497, 781, 1253, 1969, 2059, 2233, 5191, 5467, 12709, 13783, 14413, 22649, 36337, 57101, 88963, 139799, 158543, 368561, 399707, 978593, 2579927, 4054171, 28379197]

約数ペア:

[(1, 28379197), (7, 4054171), (11, 2579927), (29, 978593), (71, 399707), (77, 368561), (179, 158543), (203, 139799), (319, 88963), (497, 57101), (781, 36337), (1253, 22649), (1969, 14413), (2059, 13783), (2233, 12709), (5191, 5467)]